Melissa Mobley and Robert Gegear, WPI (IMAGE) Worcester Polytechnic Institute Caption PhD student Melissa Mobley and Robert Gegear, assistant professor of biology and biotechnology at Worcester Polytechnic Institute (WPI), examine bumblebees that have been fed small doses of a neonicotinoid pesticide as part of a study of the effects of the compounds on the long-term stability and survival of bee populations. Credit Worcester Polytechnic Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.